Founded in 1977. Deltana is an architectural hardware manufacturer with a proven record for exceptional service and quality. Deltana inventories America's largest selection of architectural and door hardware in over nine fine finishes made from solid brass, zinc, aluminum, steel, and stainless steel. The Deltana dutch door quadrant is used on dutch doors to lock the upper and lower panels together.

Nice quality. I haven’t installed it yet, but looks easy enough. To be determined on how well it works. I’ll get back to you on that.... Anonymous. Elk Mound, WI. Wed Sep 23 2020

Deltana is an architectural hardware manufacturer with a proven record for exceptional service and quality. Deltana inventories America's largest selection of architectural and door hardware in over nine fine finishes made from solid brass, zinc, aluminum, steel, and stainless steel. With an array of fine finishes, finding hinges, bolts, bumpers and stops, ball catch, roller latch, door accessories, and home accessories that compliment your home's decor. The door bolts are used to fasten both the lower and upper leaves of any Dutch door.

Nice quality and heft. Solved an inside latching problem for a sliding barn door to a bathroom.. Timothy. Murchison, TX. Tue Dec 13 2022

Anonymous. Wed Jul 13 2022

Nice quality and weight, used it to hold up a murphy bed, works great!. Lisa. Yardley, PA. Wed Oct 08 2014

Deltana is an architectural hardware manufacturer with a proven record for exceptional service and quality. Deltana inventories America's largest selection of architectural and door hardware in over nine fine finishes made from solid brass, zinc, aluminum, steel, and stainless steel. With an array of fine finishes, finding hinges, bolts, bumpers and stops, ball catch, roller latch, door accessories, and home accessories that compliment your home's decor. Deltana surface bolts are designed to be mounted on the inside of a door to offer extra security.

Beautiful. Joseph. Somerville, MA. Sat Mar 05 2022

Deltana is an architectural hardware manufacturer with a proven record for exceptional service and quality. Deltana inventories America's largest selection of architectural and door hardware in over nine fine finishes made from solid brass, zinc, aluminum, steel, and stainless steel. With an array of fine finishes, finding hinges, bolts, bumpers and stops, ball catch, roller latch, door accessories, and home accessories that compliment your home's decor. The Deltana bolts with concealed screws are a contemporary alternative to improve security and appearance.

Excellent quality!. Robert. Sparks, NV. Sun Nov 09 2025